PsiJavaFile:YieldCallNonQualified.java
  PsiYieldStatement
    PsiKeyword:yield('yield')
    PsiParenthesizedExpression:()
      PsiJavaToken:LPARENTH('(')
      PsiErrorElement:Expression expected
        <empty list>
      PsiJavaToken:RPARENTH(')')
    PsiJavaToken:SEMICOLON(';')